// Copyright 2012 Google, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef PERREQIPV6ADDRESS__RAND_H_
#define PERREQIPV6ADDRESS__RAND_H_

#include <stdint.h>

namespace PerRequestIPv6Address {

class RandomSource {
 public:
  RandomSource();
  ~RandomSource();

  // Returns 0 if no randomness can be fetched.
  uint8_t getUnsigned8();
  uint16_t getUnsigned16();

 private:
  int fd_;
};

}  // namespace PerRequestIPv6Address

#endif  // PERREQIPV6ADDRESS__RAND_H_
